Malicious PDF — malware analysis report

Static analysis result for SHA-256 69eac98576c88cbf…

MALICIOUS

PDF

39.7 KB Created: 2020-08-21 23:14:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 99eb8a9ceefc1a5a9d0ab1f323ee3ddf SHA-1: 6dae85029982e7771be67f7ce9166653a707206b SHA-256: 69eac98576c88cbf59c217a111b26f29c25c6e1d9c1c2f1bc7487a7c362d1141
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains embedded links that lead to a redirector service, which in turn points to a malicious URL. The document body, though heavily obfuscated, contains text that appears to be a lure for a game-related guide, likely to trick users into clicking the malicious link. The ML classifier strongly indicated maliciousness, and the PDF structure suggests it's part of a link farm designed for SEO manipulation and phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.cc/pify?keyword=fletching+guide+osrs+calc In PDF document text
    • http://difitewe.bernardramsdale.com/uploads/1/3/1/3/131398591/litomolib_gavabiru_zezoju.pdfIn PDF document text
    • http://files.margueriteperret.com/uploads/1/3/0/7/130776177/rumemoxege.pdfIn PDF document text
    • http://files.pennyormsbee.ca/uploads/1/3/0/7/130775232/2738980.pdfIn PDF document text
    • http://kazuf.arc-sf.com/uploads/1/3/1/3/131379296/4927828.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1549/6092/files/pamezuvosivasixigikunazup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4914/7816/files/fabokozatobitekazi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0878/5562/files/56180715264.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/1840/7335/files/rosidisigesegenukipiro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/9346/4990/files/giforetiweraxetakag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2809/4882/files/buprenorfina_en_infusion.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2793/1034/files/28361844148.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8860/8418/files/mw3_cheats_xbox_360.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5947/6630/files/fagimupunubowexod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6837/2632/files/97869635426.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0730/9984/files/95414162658.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0193/7063/files/kimimadefemudu.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005e79.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E79 5156 bytes
SHA-256: 0d0ba9096236cfda662678b34967a12a609b58688d9d03327cb8122c2fdedb4c
font_01_sfnt_off00006ff6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FF6 10024 bytes
SHA-256: aca9ce356224170053f15cffd3f840dce3cd31256db0cfad71b17fdaeea7fd57

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